.kh_uesername{
    font-size: 0.5rem;
    margin-top: 1rem;
}
.kh_in{
    width: 98%;
    height: 0.7rem;
    margin-top: 0.3rem;
    outline-color: #3190e8;
    font-size: 0.4rem;
}
.kh_tips{
    font-size: 0.2rem;
}
.kh_changename{
    width: 98%;
    height: 0.8rem;
    background-color: #3190e8 ;
    border: none;
    font-size: 0.4rem;
    color: white;
}
.kh_color{
    color: red;
    font-size: 00.3rem;
}